CN108366865A

CN108366865A - The expansion of multiple biliary tract racks configures

Info

Publication number: CN108366865A
Application number: CN201680074463.XA
Authority: CN
Inventors: 艾拉德·茵纳弗; 罗尼·巴拉克
Original assignee: Yin Du Qi Medical Co Ltd
Current assignee: Yin Du Qi Medical Co Ltd
Priority date: 2015-12-22
Filing date: 2016-12-22
Publication date: 2018-08-03
Anticipated expiration: 2036-12-22
Also published as: EP3393406B1; US11154411B2; EP3393406A1; ES2965712T3; EP3393406C0; US20220008234A1; CN113367833A; CN108366865B; GB201522683D0; US20190000652A1; WO2017109783A1

Abstract

A kind of device (20) being used for a guide line (12) is provided.Described device includes：One guiding tube (22) has a guide line bonding part (122)；And a slit (28), extend from a distal end (32) of the conduit to nearside along a wall of the guiding tube, a proximal end (29) for the slit is located at the distal side of a proximal end (30) for the conduit.One first support (52), around the conduit, and it can be together advanced in an inner cavity of an object with the conduit, the first support slideably promotes and leaves the distal end of the conduit, an and second support (54), in the nearside of the first support, and around a portions of proximal of the conduit, and the distal end of the conduit can be promoted and left to enter the inner cavity, and be placed with the first support side by side behind the distal end that the propulsion first support leaves the conduit.Also the other applications of description in text.

Description

The expansion of multiple biliary tract racks configures

Related application

Present application advocates that mattress is received not in the UK Patent Application case the 1522683.0th of submission application on December 22nd, 2015 Number priority, entitled " expansion be arranged multiple biliary tract racks ", content is incorporated herein in entirety by reference.

Technical field

Multiple embodiments of the present invention relate generally to multiple medical treatment devices, and more particularly relate to described right The method and apparatus of multiple holders are arranged in expansion in the inner cavity of elephant.

Background technology

For various reasons, holder (stents) expansion setting usually in the inner cavity (lumen) of the body of an object. Under some cases, holder is set in an inner cavity to expand the narrowed portion of inner cavity.For example, biliary tract prosthesis is inserted into bile duct to control Treat in bile duct the obstruction (obstruction) that occurs and narrow (strictures).There is several pernicious or benign situation that can lead Cause stenosis of bile duct.Cancer of pancreas is a common pernicious reason of stenosis of bile duct.The non-cancerous reason of stenosis of bile duct may include gall-bladder The bile duct injury and pancreatitis (pancreatitis) occurred in inadvertent closure.

Biliary tract prosthesis is typically a kind of tubular structure, is used to support the narrow of bile duct and inhibits narrow shape again At.

Invention content

It is according to the present invention some application, provide for be unfolded in an inner cavity of an object more than one holder (such as Two holders) device and method.For example, in order to treat stenosis of bile duct and obstruction, two are unfolded in the ductus choledochus of an object Or more holder.Typically, two or more holders, such as two, three or four holders each other and come ductus choledochus Interior expansion, to help to alleviate stenosis of bile duct.Typically, using a guiding tube come by more than one holder (such as first support And second support) be deployed in the inner cavity of the object.The guiding tube have the proximal end of its proximal portion and at it is remote The distal end of side portion.In this context, in the specification and in the claims, " nearside (proximal) " is meant closer to Guiding tube or holder are originally placed internal opening (orifice), and " distal side (distal) " means from the opening (orifice) farther.The guiding tube is usually shaped to define the guide line bonding part of the wall across guiding tube, such as one Hole, described hole are located at the distal part of the guiding tube.In addition, the guiding tube is shaped to define a slit, institute Slit is stated from the distal end of guiding tube to extend to nearside along the wall of guiding tube.One proximal end of the slit is usually located at the guiding The remote survey of the proximal end of pipe.In addition, the proximal end of the slit is usually located at the nearside of described hole.

During the inner cavity for being delivered to the object, the first support around draw the conduit and with the guiding tube It proceeds to together in the inner cavity of the object.Typically, the first support can be slided along the guiding tube, so as to described The distal side in the proximal end of the slit of the guiding tube is arranged in the proximal end of first support, and the distal end of the first support is arranged in institute State the proximal end of the hole of guiding tube.When being located in an intraluminal desired site for the object, the first support can be slided The distal end of the guiding tube is promoted and left dynamicly and is unfolded in the inner cavity.

The nearside in the first support is arranged in the second support, and around the portions of proximal of the guiding tube.It is described The shape and size of second support are suitable for advancing on the conduit, and the distal end for leaving the guiding tube enters the object Inner cavity.The second support is placed and the first support behind the distal end that the propulsion first support leaves the guiding tube Side by side.

Some applications according to the present invention, it is described in order to install the second support after the first support is unfolded First support and the second support are delivered to the inner cavity of the object, without from the body of the object remove described in draw Conduit.As some applications of the present invention are provided, as described above, the first support and the second support are mounted to institute It states on guiding tube and is advanced in the body of the object, be then unfolded in the interior intracavitary of the object.

Some applications according to the present invention, provide a kind of device being used for a guide line, including：

One guiding tube, is shaped to：(a) a guide line bonding part is limited in a distal part of the guiding tube；With And a slit (b) is limited, extend to nearside from a distal end of the guiding tube along a wall of the guiding tube, the slit One be proximally located at the guiding tube a proximal end distal side；

One first support surrounds the guiding tube, to be advanced to an inner cavity of an object together with the guiding tube In, the first support can be slided along the guiding tube so that a proximal end of the first support may be provided at the slit Proximal end distal side, while a distal end of the first support may be provided at the nearside of the guide line bonding part, described One holder slideably promotes and leaves the distal end of the guiding tube；And

One second support in the nearside of the first support, and surrounds a portions of proximal of the guiding tube, and shape The guiding tube is fitted along with size and promotes and leave the distal end of the guiding tube to enter the inner cavity, and is promoting institute It states after first support leaves the distal end of the guiding tube and is placed with the first support side by side；

The wherein described guiding tube is shaped as when the guide line (1) is at least partially disposed at a pipe of the guiding tube When in chamber；(2) when passing through a distal openings of the guiding tube；(3) when passing through the guide line bonding part；And (4) are worn When crossing the proximal end of the slit, then：

The first support (1) is constrained to distal motion and is more than the guide line bonding part；And (2) are limited It is more than the proximal end of the slit at proximal motion.

In some applications, the guide line bonding part is configured to a hole, passes through the wall of the guiding tube.

In some applications, described hole is accompanied relative to a central longitudinal axis of the guiding tube with the slit 90 are arranged to an angle offset of 180 degree.

In some applications, described hole is pressed from both sides relative to the central longitudinal axis of the guiding tube with the slit There is the angle offset of 180 degree to be arranged.

In some applications, the distance between the center and the distal end of the guiding tube of described hole is at least 5 millis Rice.

In some applications, the distance between the center and the distal end of the guiding tube of described hole is less than 200 millis Rice.

In some applications, described hole is shaped to define an oval hole, and the ellipse hole has a length Axis is oriented parallel with a longitudinal axis of the guiding tube.

In some applications, the guiding tube is shaped as when the guide line (1) is at least partially disposed at described draw When in one tube chamber of conduit；(2) when passing through a distal openings of the guiding tube；(3) when passing through the guide line bonding part； And (4) pass through the slit proximal end when, then：

The second support be constrained to distal motion and more than the proximal end of the slit.

In some applications, described device further includes the guide line.

In some applications, when the guide line is not passed through the guide line bonding part of the guiding tube, described One holder slideably heap and then leaves the distal end of the guiding tube.

In some applications, the inner cavity of the object includes a ductus choledochus of the object, and wherein described device can It is advanced in the ductus choledochus.

In some applications, the first support has 5 to 15 centimetres of a length.

In some applications, a length of the slit is more than the length of the first support.

In some applications, the second support has 5 to 15 centimetres of a length.

In some applications, the slit has 5 to 15 centimetres of a length.

In some applications, a length of the slit is：(a) it is more than a length of the first support；And it is (b) small In a summation of a length of a length and second support for the first support.

In some applications, the slit limits two slit edges, and described two slit edges are parallel to the guiding One central longitudinal axis of pipe, one between the one and the two for described two slit edges of described two slits Distance is 0.45 to 0.9 millimeter.

In some applications, the slit limits two slit edges, and described two slit edges are parallel to the guiding One central longitudinal axis of pipe so that described in the distal end thereof from the guiding tube when guiding tube, form the one of 10 degree to 80 degree Angle, the angle is by defined below：

(a) one first bar of line of an one of described two slit edges is extended to from the central longitudinal axis；With And

(b) an Article 2 line of the two for described two slit edges is extended to from the central longitudinal axis.

In some applications, the angle is 20 to 70 degree.

In some applications, the nearside in the proximal end of the slit is arranged in a distal end of the second support.

In some applications, a distal end of the second support is arranged in the distal side of the proximal end of the slit.

In some applications, the first support includes a self-expansion formula holder.

In some applications, the second support includes a self-expansion formula holder.

In some applications, described device further includes a third holder, and the third holder is in the close of the second support Side surrounds a portions of proximal of the guiding tube, and the third holder shape and size fit along the guiding tube and push away Into and leave the distal end of the guiding tube to enter the inner cavity, and promote the first support and the second support from It opens and is placed behind the distal end of the guiding tube with the first support and the second support side by side.

In some applications, described device further includes one the 4th holder, and the 4th holder is in the close of the third holder Side surrounds a portions of proximal of the guiding tube, and the shape and size of the 4th holder fit along the guiding tube The distal end of the guiding tube is promoted and left to enter the inner cavity, and is promoting the first support, the second support It is placed and the first support, the second support and described after leaving the distal end of the guiding tube with the third holder Three holders are side by side.

In some applications, the slit is shaped to define the guide line and closes part, and wherein described two narrow A distance between the one and the two for described two slit edges of seam is 0.45 to 0.9 millimeter.

In some applications, the guide line bonding part has 0.45 to 4.5 millimeter of a length.

Some applications according to the present invention, it is further provided a kind of device, including：

One guiding tube, is shaped to define：(a) hole passes through the guiding in a distal part of the guiding tube One wall of pipe；And (b) slit, extend to nearside from a distal end of the guiding tube along a wall of the guiding tube, institute State the distal side for the proximal end that the one of slit is proximally located at the guiding tube；

One first support surrounds the guiding tube, to be advanced to an inner cavity of an object together with the guiding tube In, the first support can be slided along the guiding tube so that a proximal end of the first support may be provided at the slit Proximal end distal side, while a distal end of the first support may be provided at the nearside of described hole, and the first support can be slided It is promoted dynamicly to leave the distal end of the guiding tube；And

One second support in the nearside of the first support, and surrounds a portions of proximal of the guiding tube, and shape The guiding tube is fitted along with size and promotes and leave the distal end of the guiding tube to enter the inner cavity, and is promoting institute It states after first support leaves the distal end of the guiding tube and is placed with the first support side by side.

In some applications, described device further includes a guide line, and the guide line is configured to：(1) draw from described One distal openings of conduit enter a tube chamber of the guiding tube；(2) by the hole of the guiding tube from the guiding tube Tube chamber is pierced by；And (3) penetrate the tube chamber of the guiding tube by the proximal end of the slit, and wherein (1) when the guiding When line is arranged in described hole, the first support is constrained to distal motion and is more than described hole；And (2) work as institute When stating guide line setting in the slit, the first support is limited to close more than the slit at proximal movement End.

In some applications, when the guide line is not located in described hole, the first support is slideably Promote and leave the distal end of the guiding tube.

In some applications, the first support has 5 to 15 centimetres of a length.

In some applications, the second support has 5 to 15 centimetres of a length.

In some applications, the slit has 5 to 15 centimetres of a length.

In some applications, a length of the slit is：(a) it is more than a length of the first support；And it is (b) small In a summation of a length of the length and second support of the first support.

In some applications, described hole is shaped to define an oval hole.

In some applications, the oval hole has a long axis, is oriented the longitudinal axis with the guiding tube It is parallel.

In some applications, the oval hole have a long axis that length is 5 to 10 millimeters and length be 0.5 to 1.0 millimeters of a short axle.

In some applications, the long axis is 1.5 to 4 times longer than the short axle.

In some applications, the angle is 20 to 70 degree.

According to some embodiments of the present invention, a kind of device is provided, including：

One guiding tube is shaped to define (a) hole, and the guiding tube is passed through in a distal part of the guiding tube A wall；And (b) slit, extend to nearside from a distal end of the guiding tube along a wall of the guiding tube, it is described The one of slit is proximally located at the distal side of a proximal end of the guiding tube；

One first support surrounds the guiding tube, and the first support can slide along the guiding tube so that described the One proximal end of one holder may be provided at the distal side of the proximal end of the slit, while a distal end of the first support may be provided at institute The nearside of hole is stated, the first support slideably promotes, and is left from the distal end of the guiding tube；And

One second support, in the nearside of the first support, and around the guiding tube portions of proximal, and shape and Size is suitable for promote along the guiding tube.

In some applications, described device further includes a guide line, and the guide line is configured to (1) from the guiding One distal openings of pipe enter a tube chamber of the guiding tube；(2) by the hole of the guiding tube from the pipe of the guiding tube Chamber is pierced by；And (3) penetrate the tube chamber of the guiding tube by the proximal end of the slit, and wherein (1) when the guide line When being arranged in described hole, the first support is constrained to distal motion and is more than described hole；And (2) when described When guide line is arranged in the slit, the first support be constrained to proximal motion and more than the proximal end of the slit.

In some applications, described hole is pressed from both sides relative to the central longitudinal axis of the guiding tube with the slit The angle offset of 180 degree is arranged.

In some applications, the first support has 5 to 15 centimetres of a length.

In some applications, the second support has 5 to 15 centimetres of a length.

In some applications, the slit has 5 to 15 centimetres of a length.

In some applications, described hole is shaped to define an oval hole.

In some applications, the angle is 20 to 70 degree.

In some applications according to the present invention, a kind of method is provided, including：

A kind of device is provided, described device includes：

One first support surrounds the distal part of the guiding tube；And

One second support, in the nearside of the first support, and around a portions of proximal of the guiding tube；

One guide line is passed through into the guiding tube so that after the guide line passes through：

(a) guide line enters a tube chamber of the guiding tube from a distal openings of the guiding tube；

(b) guide line is pierced by the tube chamber of the guiding tube by the hole of the guiding tube；

(c) it is arranged in described hole due to stating guide line, the first support is constrained to distal motion and is more than Described hole；

(d) guide line enters the tube chamber of the guiding tube by the slit；And

(e) since the guide line is arranged in the slit, the first support is constrained to proximal motion and surpasses Cross the proximal end of the slit.

In some applications, the method further includes：

When the guide line passes through an outer surface of the guiding tube and the first support to be positioned against described When guide line, promote described device to the desired locations in an inner cavity of the object；

After promoting described device, the guide line is removed from described hole；

After the removal, along the distal end that the guiding tube promotes the first support and leaves the guiding tube with into Enter the inner cavity, is unfolded until in desired locations of the first support in the inner cavity of the object；

After promoting the first support to leave the distal end of the guiding tube, along the guiding tube and in the object Inner cavity in the second support is promoted above the guide line；And

After promoting the first support, the second support is promoted to leave the distal end of the guiding tube, and by described the Two holders are placed on the side of the first support.

A kind of device is provided, described device includes：

One guiding tube is shaped to define the guide line bonding part (a), and position is in a distal side of the guiding tube；And (b) slit extends from a distal end of the guiding tube along a wall of the guiding tube to nearside, a proximal end of the slit Distal side positioned at a proximal end of the guiding tube；

One first support surrounds the distal part of the guiding tube；And

(b) the guide line bonding part that the guide line passes through the guiding tube；

(c) since the guide line is arranged in the guide line bonding part, the first support is constrained to remote Side moves and is more than the guide line bonding part；

(d) guide line enters the tube chamber of the guiding tube by the slit；And

In some applications, the method further includes：

After promoting described device, the guide line is removed from the guide line bonding part；

After the removal, the first support is promoted along the guiding tube, and leave the distal end of the guiding tube Into the inner cavity, it is unfolded until in desired locations of the first support in the inner cavity of the object；

After promoting the first support, the second support is promoted to leave the distal end of the guiding tube, and will be described Second support is placed on the side of the first support.

It provides：(1) one first support；(2) one second supports, in the nearside of the first support；

The first support is set to be advanced in an inner cavity of an object against a guide line；

The first support is unfolded in an inner cavity of the object；

It keeps the guide line in the inner cavity of the object after first support is unfolded, the second support is made to exist It is advanced into the inner cavity of the object above the guide line；And

The second support is deployed in the tube chamber and position is on the side of the first support.

In some applications according to the present invention, a kind of device being used together with a guide line is provided, including：

One first support configures and enters an inner cavity of an object and against the guide line to be pushed into；And

One second support in the nearside of the first support, and configures to be advanced in the inner cavity of the object And above the guide line.

In some applications, described device further includes the guide line.

In some applications, an outer surface of the first support is positioned against in the guide line, and described second Holder surrounds the guide line.

In some applications, described device further includes a third holder, the second support nearside and be configured To be advanced in the inner cavity of the object above the guide line.

In some applications, described device further includes one the 4th holder, the third holder nearside and be configured To be advanced in the inner cavity of the object above the guide line.

In conjunction with attached drawing, the present invention will be more fully understood in the detailed description being applied to from below, wherein：

Description of the drawings

Fig. 1 is in some applications according to the present invention, for a first support and one to be unfolded in an inner cavity of an object The schematic diagram of one guiding tube of second support；

Fig. 2 is in some applications according to the present invention, for a first support to be delivered and be unfolded in the inner cavity of an object With the schematic diagram of the device of a second support；

Fig. 3 A to Fig. 3 H are multiple schematic diagrames, are described in some applications according to the present invention, in the one of an object In chamber, the overview of the method for first support and second support is unfolded；And

Fig. 4 be it is according to the present invention some application in, for be unfolded in the inner cavity of the object first support and The schematic diagram of the guiding tube of the second support additionally configured.

Specific implementation mode

Start to be described in detail in some applications according to the present invention, for drawing for multiple holders to be unfolded in the inner cavity of object Conduit 22.

With reference to figure 1 and Fig. 2.

Fig. 1 is the schematic diagram of guiding tube 22 in some applications according to the present invention.As shown, guiding tube 22 is shaped to Limit the distal end 32 at 22 distal part 26 of proximal end 30 and guiding tube at the portions of proximal 24 of guiding tube 22.

In addition guiding tube 22 is shaped to define a guide line engaging portion 122, guiding tube engaging portion 122 is shown as position The hole 40 of the wall 36 of guiding tube 22 is passed through in the distal portions 26 of guiding tube.Guiding tube 22 is further shaped to define from drawing The slit 28 that the distal end 32 of conduit extends along the wall 36 of guiding tube 22 to nearside.The proximal end 29 of slit 28 is located at guiding tube 22 The distal side of proximal end 30.In addition, the proximal end 29 of slit 28 is located at the nearside of hole 40.

Typically, hole 40 accompanies 90 to the angle of 180 degree relative to a central longitudinal axis A1 of guiding tube with slit 28 Offset alpha is spent to be arranged, such as 180 degree.Alternatively, using smaller angle [alpha] (for example, showing about 60 degree of angle [alpha] in Fig. 2). " central longitudinal axis (the central of slim-lined construction as used in (being included in the claims) in this application Longitudinal axis) " it is set along all barycenter of the feature cross-section of the structure.Therefore, cross-section parts It is locally perpendicular to the central longitudinal axis extended along the structure.(cross section of such as fruit structure is circular, then barycenter and circle The center of shape cross section is corresponding).The central longitudinal axis of the slim-lined construction of bending is curved rather than straight.Typically, The distance between the center of hole 40 and the distal end 32 of guiding tube 22 D1 are at least 5 millimeters and/or are less than 200 millimeters, such as 5 millis Between rice and 200 millimeters.

For some applications, hole 40 is shaped to define an oval hole, with long axis W1, be typically oriented to The longitudinal axis A1 of guiding tube 22 is parallel.Long axis usually has length than 1.5 to 4 times of the short axle W2 long of hole, such as hole 40 The short axle W2 that long axis W1 and length for 5 to 10 millimeters are 0.5 to 1.0 millimeter.

Slit 28 limits two slit edges 27, and described two slit edges 27 are parallel to the center longitudinal axis of guiding tube 22 Line A1, typically, the distance between the two in one and slit edges in slit edges D2 is 0.45 to 0.9 milli Rice.For some applications, when the guiding tube 22 from the distal end of guiding tube 22 32,10 to 80 degree (such as 20 to 70 degree) are formed Angle, θ, by defined below：(a) the one of the one of described two slit edges is extended to from the central longitudinal axis First line, and both a Article 2 line of described two slit edges (b) is extended to from the central longitudinal axis.

Referring still to Fig. 1 and 2.Fig. 2 be it is according to the present invention some application in the inner cavity of an object delivering and The schematic diagram of the device 20 of first support 52 and second support 54 is unfolded.

For some applications, device 20 includes guiding tube 22 (as described in above referring to Fig.1) and first support 52 and second Holder 54.As shown, first support 52 and second support 54 surround guiding tube 22, second support 54 is arranged in first support 52 Nearside and around guiding tube 22 portions of proximal 24.First support 52 is typically positioned on guiding tube 22, first support 52 Proximal end 53 be arranged in the distal side of the proximal end 29 of the slit 28 of guiding tube 22, and the distal end 55 of first support 52 be arranged in hole 40 Nearside.

For some applications, the nearside in the proximal end of slit 28 29 is arranged in the distal end 59 of second support 54.Other are answered With the distal end 59 of second support 54 is arranged in the distal side of the proximal end of slit 28 29.

First support 52 slideably promotes, and leaves the distal end 32 of guiding tube 22.In addition, the shape of second support 54 It is also suitable on guiding tube 22 to advance with size, typically then promote first support 52 and leaves the distal end of guiding tube 22 32。

For some applications, first support 52 and the respective length L1 with 5 to 15 millimeters of second support 54, and slit 28 also with 5 to 15 millimeters of length L2.In general, the length of slit 28 is more than the length of first support 52.Some are applied, The length of slit 28 is：(a) it is more than a length of first support 52, and (b) is less than a length and second for first support 52 The summation of one length of holder 54.

Device 20 is usually advanced in the inner cavity of object, and guiding tube 22 is convenient for first support 52 and second support 54 are placed in the inner cavity of object.

It is used in the inner cavity of object which depict in some applications according to the present invention referring now to Fig. 3 A to Fig. 3 H The overview of the application method of the device 20 of first support 52 and second support 54 is unfolded.Typically, holder 52 and 54 is unfolded In the inner cavity of object, for example, object ductus choledochus, to handle the narrow of inner cavity.Some applications according to the present invention, device 20 Configuration is advanced to against guide line in the inner cavity of object with so as to first support 52, and second support 54 pushes away above guide line It enters in inner cavity and (surrounds guide line).

With reference to figure 3A.Some applications according to the present invention, device 20 (including guiding tube 22 and first support 52 and second Frame 54, as described in above with reference to Fig. 2) it is applied in combination with guide line 12, holder 52 and 54 is unfolded side by side each other in the lumen.Draw Conducting wire 12 is typically inserted through guiding tube 22 so that after the guide wire is threaded：

(a) guide line 12 enters a tube chamber of guiding tube 22 from 32 opening of a distal end of guiding tube 22；

(b) guide line 12 is pierced by the tube chamber of guiding tube 22 by the hole 40 of guiding tube；

(c) since guide line 12 is arranged in described hole 40, first support 52 is constrained to distal motion and is more than The hole 40 of guiding tube 22；

(d) guide line 12 enters the tube chamber of guiding tube 22 by the proximal end 29 of slit；And

(e) since guide line 12 is arranged in slit 28, first support 52 is constrained to proximal motion and is more than slit 28 proximal end 29.

As described above, after guide line 12 passes through guiding tube 22, as shown in Figure 3A, device 20 is advanced to the body of object It is interior, such as into small intestine, and enter the inner cavity 4 of ductus choledochus.As shown, first support 52 above guiding tube 22 and against Guide line 12 (i.e. the outer surface of first support 52 is positioned against on guide line 12) distally advances.Due to as described above Guide line 12 passes through, and holder 52 distally advances in inner cavity 4, while holder 52 is by limitation distal motion and more than guiding The hole 40 of pipe 22.The movement (especially because guide line 12 be arranged in hole 40) of tie bracket 52 allow generally for holder 52 with The position for the expectation expansion that controlled way is advanced in inner cavity 4 is (that is, inhibit the uncontrolled of holder 52 distad to transport It is dynamic, therefore doctor is allowed safely to execute implantation step in a desired expanded position).

In addition, since guide line 12 is arranged in slit 28, limit 52 distal motion of first support and more than narrow The proximal end 29 of seam 28 allows doctor roof support 52 in a controlled manner.

Referring now to Fig. 3 B to Fig. 3 H.

When first support 52 reaches the expectation expanded position in inner cavity 4, as shown in Figure 3B, by along 11 institute of arrow The direction shown pulls guide line 12 to nearside, and guide line 12 is removed from the hole 40 of guide wire 22.Then guide line 12 usually exists It is distally advanced in inner cavity 4, (Fig. 3 C) as shown in arrow 10.Therefore guide line 12 be maintained in inner cavity 4 and this stage not It can be removed from inner cavity 4.The usually release first support 52 of guide line 12 is removed from hole 40 and allows guiding tube 22 along arrow 15 Shown in direction to nearside pull, until guiding tube 22 from holder 52 remove, and holder 52 it is deployable in inner cavity 4 (figure 3D).When pulling guiding tube 22 to nearside along direction shown in arrow 15, guide line 12 slips over the slit 28 of guiding tube 22 simultaneously Therefore it is centered in the inner cavity of guiding tube (Fig. 3 E).Guiding tube 12, which is centered in guiding tube 22, to be contributed to using including guide line 12 Second support 54 is unfolded in chamber 4.Guide line 12, which is located in guiding tube 22, using slit 28 allows second support 54 guiding It is promoted on line 12, and first support 52 is promoted against (but not surrounding) guide wire 12.

As illustrated in Figure 3 F, and by arrow 17 it indicates, (its above guiding tube 22 and above guide line 12 of second support 54 For the tube chamber of guiding tube 22) it is distally advanced in inner cavity 4.As shown in Figure 3 G, second support 54 continues in inner cavity 4 distad It promotes (as shown in arrow 10), until reaching a desired expansion position and first support 52 (Fig. 3 F to Fig. 3 G) side by side.Once Second support 54 is unfolded side by side with first support 52, and guiding tube 22 and guide line 12 are pulled by proximal direction and retracted, such as Shown in arrow 21 in Fig. 3 H.

Referring now to Fig. 3 A to Fig. 3 H, the use permission of device 20 is in expansion first in some applications according to the present invention Second support 54 is unfolded after frame 52, while guide line 12 being kept in inner cavity 4.In addition, device 20 allows in expansion first support Second support 54 is unfolded after 52, and in the case where not removing device 20 from the body of object, in expansion first support Second support 54 is installed after 52.It is worth noting that, first support 52 and second support 54 are usually arranged in guiding tube simultaneously On 22 (also as shown in Figure 2), when it enters the body of object, it is unfolded in the lumen using the techniques described herein.With reference to figure 2 To Fig. 3 H.It is noted that for some applications, first support 52 and second support 54 include self-expandable stent.

It is further noted that describing holder by schema rather than to limit.The scope of the present invention includes using to appoint What his drainage tube or tubular structure configure the narrow of the inner cavity to mitigate object.

Referring now to Fig. 3 A to Fig. 4.Fig. 4 is in some applications according to the present invention, in the inner cavity of the object The schematic diagram of the guiding tube 22 of first support 52 and the second support 54 additionally configured is unfolded.As described above, referring to Fig.1 To Fig. 3 H, guide line bonding part 122 is embodied as hole 40, is configured to engage guide line 12 in this way, i.e., it is hindered Only 52 distal motion of first support and more than guiding tube 22 guide line bonding part 122 because guide line 12 is by part 122 It engages (such as being arranged in hole 40).Show that guide line bonding part 122 is hole in Fig. 1 to Fig. 3 H by way of illustration 40, and it is unrestricted.It should be noted that guide line bonding part 122 can be shaped to define any other configuration, it is suitable for and draws Conducting wire 12 engages, and guide line 12 is grasped to or otherwise kept guide line 12 in one way, to when holder 52 is to remote Side is promoted against guide line 12, and it is more than guide line bonding part 122 to inhibit 52 distal motion of first support.It is noticeable It is that the techniques described herein are also applied for guide line bonding part 122 as described in Figure 4 with reference to figure 3A to Fig. 3 H.

As shown in figure 4, for some applications, the edge 27 of slit 28 is shaped to define guide line bonding part 122.Allusion quotation Type, the distance between the two in one and slit edges in slit edges D2 is 0.45 to 0.9 millimeter.However, In guide line coupling part 122, the distance between slit edges 27 D3 is less than distance D2, such as makes D2 ratios D3 2 to 5 times big. In general, the distance between slit edges 27 D3 is 0.09 millimeter to 0.45 millimeter, it is greater than 0.15 millimeter and/or less than 0.4 Millimeter.In general, guide line bonding part 122 shown in Fig. 4 has length of 5 to 10 times than D3 long, for example, 0.45 millimeter extremely 4.5 millimeters, it is greater than 1 millimeter and/or less than 3.5 millimeters.As shown in figure 4, guide line 12 is usually by narrow in slit 28 Region engages and locks wherein, and the narrow zone limits guide line bonding part 122.Pass through guide line bonding part 122 engagement guide lines 12 allow generally for first support 52 to be advanced to the expectation expanding unit in object inner cavity with a controlled way Position (i.e. when holder 52 is distally advanced against guide line 12, inhibits holder 52 uncontrolled towards distal movement, to permit Xu doctor safely executes implantation step in an expectation expanded position).

In other words, when guide wire 12 (1) is at least partially disposed in a tube chamber of guiding tube 22；(2) it passes through and draws When one distal end 32 of conduit 22 is open；(3) when passing through guide line bonding part 122；And (4) pass through the proximal end 29 of slit 28 When, then：First support 52 (1) is constrained to distal motion and is more than guide line bonding part 122；And (2) be constrained to Proximal movement and more than slit 28 proximal end 29.In addition when guide wire 12 (1) is at least partially disposed at a pipe of guiding tube 22 When in chamber；(2) when a distal end 32 of guiding tube 22 being passed through to be open；(3) when passing through guide line bonding part 122；And (4) pass through When the proximal end 29 of slit 28, then：Second support 54 be constrained to distal motion and more than the proximal end 29 of slit 28.

Once first support 52 is in the expectation expanded position in object inner cavity, then will be guided by pulling guide line 12 Line 12 is discharged from guide line bonding part 122.Guide line 12, which is removed, from guide line bonding part 122 typically discharges first support 52 and guiding tube 22 is allowed to pull (as shown in Figure 3D) to nearside along the direction shown in arrow 15, until guiding tube 22 is from branch Frame 52 removes, and holder 52 can be deployed in the inner cavity of object.

It should be noted that for other application, guide line bonding part 122 may include the engagement for guide line 12 Clip or any other suitable device.

Referring to figs. 1 to Fig. 4.It is noted that for some applications, device 20 is configured to be unfolded to be more than in the inner cavity of object Two holders, such as three or four holders (configuration is not shown).Generally for this application, guiding tube 22 is shaped in pipe One second guide line bonding part, such as the second hole 40 are limited in the portions of proximal 24 of part 22.

Referring still to Fig. 1 to Fig. 4.It should be noted that by referring to total courage in such a way that illustration is unrestricted The inner cavity 4 of pipe and device 20 is described.The scope of the present invention is included in any suitable inner cavity use device 20 in the lumen Multiple holders are unfolded.For example, technique described herein and device can be used in the urethra of object and/or in ureter and/or In ductus pancreaticus and/or in oesophagus and/or in tracheae.Additionally or alternatively, technique described herein and device can be used for expansion two A or more prostate bracket.

It will be understood to those of skill in the art that the content that the present invention is not limited to above especially be shown and described.On the contrary, this The range of invention include above-described various features combination and sub-portfolio and its be not belonging to the modification of the prior art and repair Change, but change and modification can be associated when reading foregoing description in those skilled in the art.

Claims

1. a kind of device being used for a guide line, described device include：

One guiding tube, is shaped to：(a) a guide line bonding part is limited in a distal part of the guiding tube；And (b) A slit is limited, is extended to nearside from a distal end of the guiding tube along a wall of the guiding tube, the one of the slit It is proximally located at the distal side of a proximal end of the guiding tube；

One first support surrounds the guiding tube, can be together advanced in an inner cavity of an object with the guiding tube, institute Stating first support can slide along the guiding tube so that a proximal end of the first support may be provided at the proximal end of the slit Distal side, while a distal end of the first support may be provided at the nearside of the guide line bonding part, the first support Slideably promote and leave the distal end of the guiding tube；And

One second support in the nearside of the first support, and surrounds a portions of proximal of the guiding tube, and shape and ruler It is very little to fit along the guiding tube and promote and leave the distal end of the guiding tube to enter the inner cavity, and promoting described the One holder is placed with the first support side by side after leaving the distal end of the guiding tube；

The wherein described guiding tube is shaped as when the guide line (1) is at least partially disposed in a tube chamber of the guiding tube When；(2) when passing through a distal openings of the guiding tube；(3) when passing through the guide line bonding part；And (4) pass through institute When stating the proximal end of slit, then：

The first support (1) is constrained to distal motion and is more than the guide line bonding part；And (2) be constrained to Proximal movement and more than the slit proximal end.

2. device as described in claim 1, it is characterised in that：The guide line bonding part is configured to a hole, passes through institute State the wall of guiding tube.

3. device as claimed in claim 2, it is characterised in that：A center longitudinal axis of the described hole relative to the guiding tube Line and accompany 90 to an angle offset of 180 degree with the slit to be arranged.

4. device as claimed in claim 3, it is characterised in that：Described hole is longitudinal relative to the center of the guiding tube Axis and accompany the angle offset of 180 degree with the slit to be arranged.

5. device as claimed in claim 2, it is characterised in that：Between the center and the distal end of the guiding tube of described hole One distance be at least 5 millimeters.

6. device as claimed in claim 2, it is characterised in that：Between the center and the distal end of the guiding tube of described hole One distance be less than 200 millimeters.

7. device as claimed in claim 2, it is characterised in that：Described hole is shaped to define an oval hole, described Oval hole has a long axis, is oriented parallel with a longitudinal axis of the guiding tube.

8. the device as described in any one of claims 1 or 2, it is characterised in that：The guiding tube is shaped as to be drawn when described When conducting wire (1) is at least partially disposed in a tube chamber of the guiding tube；(2) distal openings of the guiding tube are passed through When；(3) when passing through the guide line bonding part；And (4) pass through the slit proximal end when, then：

9. the device as described in any one of claims 1 or 2, it is characterised in that：Described device further includes the guide line.

10. the device as described in any one of claims 1 or 2, it is characterised in that：When the guide line is not passed through described draw When the guide line bonding part of conduit, the first support slideably heap and then leaves the distal end of the guiding tube.

11. the device as described in profit requires any one of 1 or 2, it is characterised in that：The inner cavity of the object includes the object One ductus choledochus, and wherein described device can be advanced in the ductus choledochus.

12. the device as described in any one of claims 1 or 2, it is characterised in that：The first support has 5 to 15 centimetres A length.

13. the device as described in any one of claims 1 or 2, it is characterised in that：One length of the slit is more than described the The length of one holder.

14. the device as described in any one of claims 1 or 2, it is characterised in that：The second support has 5 to 15 centimetres A length.

15. the device as described in any one of claims 1 or 2, it is characterised in that：The slit has the one of 5 to 15 centimetres Length.

16. the device as described in any one of claims 1 or 2, it is characterised in that：One length of the slit is：(a) it is more than One length of the first support；And (b) it is less than the one of the length of the first support and a length of the second support Summation.

17. the device as described in any one of claims 1 or 2, it is characterised in that：The slit limits two slit edges, Described two slit edges are parallel to a central longitudinal axis of the guiding tube, an one of described two slits with it is described A distance between the two for two slit edges is 0.45 to 0.9 millimeter.

18. the device as described in any one of claims 1 or 2, it is characterised in that：The slit limits two slit edges, Described two slit edges are parallel to a central longitudinal axis of the guiding tube so that from the distal end thereof institute of the guiding tube When stating guiding tube, 10 degree to 80 degree of an angle is formed, the angle is by defined below：

(a) one first bar of line of an one of described two slit edges is extended to from the central longitudinal axis；And

19. device as claimed in claim 18, it is characterised in that：The angle is 20 to 70 degree.

20. the device as described in any one of claims 1 or 2, it is characterised in that：One distal end setting of the second support exists The nearside of the proximal end of the slit.

21. the device as described in any one of claims 1 or 2, it is characterised in that：One distal end setting of the second support exists The distal side of the proximal end of the slit.

22. the device as described in any one of claims 1 or 2, it is characterised in that：The first support includes a self-expansion Formula holder.

23. the device as described in any one of claims 1 or 2, it is characterised in that：The second support includes a self-expansion Formula holder.

24. the device as described in any one of claims 1 or 2, it is characterised in that：Described device further includes a third holder, The third holder surrounds a portions of proximal of the guiding tube, and the third holder in the nearside of the second support Shape and size fit along the guiding tube and promote and leave the distal end of the guiding tube to enter the inner cavity, and are pushing away It leaves and is placed behind the distal end of the guiding tube and the first support and described into the first support and the second support Second support is side by side.

25. device as claimed in claim 24, it is characterised in that：Described device further includes one the 4th holder, described 4th Frame surrounds a portions of proximal of the guiding tube, and the shape and ruler of the 4th holder in the nearside of the third holder It is very little to fit along the guiding tube and promote and leave the distal end of the guiding tube to enter the inner cavity, and promoting described the One holder, the second support and the third holder leave be placed behind the distal end of the guiding tube with the first support, The second support and the third holder are side by side.

26. device as described in claim 1, it is characterised in that：The slit is shaped to define the guide line and closes part, And the distance between an one and the two for described two slit edges for wherein described two slits is 0.45 To 0.9 millimeter.

27. device as described in claim 1, it is characterised in that：The guide line bonding part is with 0.45 to 4.5 millimeter One length.

28. a kind of device, it is characterised in that：Described device includes：

One guiding tube, is shaped to define：(a) hole passes through the guiding tube in a distal part of the guiding tube One wall；And (b) slit, extend to nearside from a distal end of the guiding tube along a wall of the guiding tube, it is described narrow The one of seam is proximally located at the distal side of a proximal end of the guiding tube；

One first support surrounds the guiding tube, can be together advanced in an inner cavity of an object with the guiding tube, institute Stating first support can slide along the guiding tube so that a proximal end of the first support may be provided at the proximal end of the slit Distal side, while a distal end of the first support may be provided at the nearside of described hole, and the first support slideably pushes away Into to leave the distal end of the guiding tube；And a second support, in the nearside of the first support, and surround the guiding tube A portions of proximal, and shape and size fit along the guiding tube and promote and leave the distal end of the guiding tube to enter The inner cavity, and be placed with the first support simultaneously behind the distal end that the propulsion first support leaves the guiding tube Row.

29. device as claimed in claim 28, it is characterised in that：Described device further includes a guide line, the guide line quilt Configuration to：

(1) enter a tube chamber of the guiding tube from a distal openings of the guiding tube；(2) pass through the hole of the guiding tube It is pierced by from the tube chamber of the guiding tube；And (3) penetrate the tube chamber of the guiding tube by the proximal end of the slit, and wherein (1) when the guide line is arranged in described hole, the first support is constrained to distal motion and is more than the hole Hole；And (2), when the guide line is arranged in the slit, the first support, which is limited at proximal movement, is more than The proximal end of the slit.

30. device as claimed in claim 29, it is characterised in that：When the guide line is not located in described hole, The first support slideably promotes and leaves the distal end of the guiding tube.

31. the device as described in profit requires 28, it is characterised in that：The inner cavity of the object includes a ductus choledochus of the object, And wherein described device can be advanced in the ductus choledochus.

32. device as claimed in claim 28, it is characterised in that：Described hole is longitudinal relative to a center of the guiding tube Axis and accompany 90 to an angle offset of 180 degree with the slit to be arranged.

33. device as claimed in claim 32, it is characterised in that：Described hole is vertical relative to the center of the guiding tube The angle offset of 180 degree is accompanied with the slit to axis to be arranged.

34. device as claimed in claim 28, it is characterised in that：One center of described hole and the distal end of the guiding tube it Between one distance be at least 5 millimeters.

35. device as claimed in claim 28, it is characterised in that：One center of described hole and the distal end of the guiding tube it Between one distance be less than 200 millimeters.

36. the device as described in any one of claim 28 to 35, it is characterised in that：The first support has 5 to 15 lis One length of rice.

37. device as claimed in claim 36, it is characterised in that：One length of the slit is more than the length of the first support Degree.

38. the device as described in any one of claim 28 to 35, it is characterised in that：The second support has 5 to 15 lis One length of rice.

39. the device as described in any one of claim 28 to 35, it is characterised in that：The slit is with 5 to 15 centimetres One length.

40. the device as described in any one of claim 28 to 35, it is characterised in that：One length of the slit is：(a) big In a length of the first support；And (b) less than a length of the length of the first support and the second support One summation.

41. the device as described in any one of claim 28 to 35, it is characterised in that：It is ellipse that described hole is shaped to define one Circular hole.

42. device as claimed in claim 41, it is characterised in that：The ellipse hole has a long axis, is oriented and institute The longitudinal axis for stating guiding tube is parallel.

43. device as claimed in claim 41, it is characterised in that：It is 5 to 10 millimeters that the ellipse hole, which has length, The short axle that one long axis and length are 0.5 to 1.0 millimeter.

44. device as claimed in claim 43, it is characterised in that：The long axis is 1.5 to 4 times longer than the short axle.

45. the device as described in any one of claim 28 to 35, it is characterised in that：The slit limits two slit sides Edge, described two slit edges are parallel to a central longitudinal axis of the guiding tube, an one of described two slits with A distance between the two for described two slit edges is 0.45 to 0.9 millimeter.

46. the device as described in any one of claim 28 to 35, it is characterised in that：The slit limits two slit sides Edge, described two slit edges are parallel to a central longitudinal axis of the guiding tube so that are seen from the distal end of the guiding tube When examining the guiding tube, 10 degree to 80 degree of an angle is formed, the angle is by defined below：

47. device as claimed in claim 46, it is characterised in that：The angle is 20 to 70 degree.

48. the device as described in any one of claim 28 to 35, it is characterised in that：One distal end of the second support is arranged Nearside in the proximal end of the slit.

49. the device as described in any one of claim 28 to 35, it is characterised in that：One distal end of the second support is arranged Distal side in the proximal end of the slit.

50. the device as described in any one of claim 28 to 35, it is characterised in that：The first support includes one voluntarily swollen Expanding holder.

51. the device as described in any one of claim 28 to 35, it is characterised in that：The second support includes one voluntarily swollen Expanding holder.

52. the device as described in any one of claim 28 to 35, it is characterised in that：Described device further includes a third branch Frame, the third holder surround a portions of proximal of the guiding tube, and the third branch in the nearside of the second support Frame shape and size fit along the guiding tube and promote and leave the distal end of the guiding tube with the entrance inner cavity, and It is placed after promoting the first support and the second support to leave the distal end of the guiding tube and the first support and institute State second support side by side.

53. device as claimed in claim 52, it is characterised in that：Described device further includes one the 4th holder, described 4th Frame surrounds a portions of proximal of the guiding tube, and the shape and ruler of the 4th holder in the nearside of the third holder It is very little to fit along the guiding tube and promote and leave the distal end of the guiding tube to enter the inner cavity, and promoting described the One holder, the second support and the third holder leave be placed behind the distal end of the guiding tube with the first support, The second support and the third holder are side by side.

54. a kind of device, it is characterised in that：Described device includes：

One guiding tube is shaped to define (a) hole, and the one of the guiding tube is passed through in a distal part of the guiding tube Wall；And (b) slit, extend to nearside from a distal end of the guiding tube along a wall of the guiding tube, the slit One be proximally located at the guiding tube a proximal end distal side；

One first support, surrounds the guiding tube, and the first support can be slided along the guiding tube so that described first One proximal end of frame may be provided at the distal side of the proximal end of the slit, while a distal end of the first support may be provided at the hole The nearside in hole, the first support slideably promote, and are left from the distal end of the guiding tube；And

One second support in the nearside of the first support, and surrounds the portions of proximal of the guiding tube, and shape and size Suitable for can be promoted along the guiding tube.

55. device as claimed in claim 54, it is characterised in that：Described device further includes a guide line, the guide line quilt Configure the tube chamber for entering the guiding tube from a distal openings of the guiding tube to (1)；(2) pass through the guiding tube Hole is pierced by from the tube chamber of the guiding tube；And (3) penetrate the tube chamber of the guiding tube by the proximal end of the slit, and Wherein (1) when the guide line is arranged in described hole, the first support is constrained to distal motion and is more than institute State hole；And (2) when the guide line is arranged in the slit, the first support be constrained to proximal motion and More than the proximal end of the slit.

56. device as claimed in claim 55, it is characterised in that：When the guide line is not located in described hole, The first support slideably promotes and leaves the distal end of the guiding tube.

57. the device as described in profit requires 54, it is characterised in that：A center longitudinal axis of the described hole relative to the guiding tube Line and accompany 90 to an angle offset of 180 degree with the slit to be arranged.

58. device as claimed in claim 57, it is characterised in that：Described hole is vertical relative to the center of the guiding tube The angle offset of 180 degree is pressed from both sides to be arranged with the slit to axis.

59. device as claimed in claim 54, it is characterised in that：One center of described hole and the distal end of the guiding tube it Between one distance be at least 5 millimeters.

60. device as claimed in claim 54, it is characterised in that：One center of described hole and the distal end of the guiding tube it Between one distance be less than 200 millimeters.

61. the device as described in any one of claim 54 to 60, it is characterised in that：The first support has 5 to 15 lis One length of rice.

62. device as claimed in claim 61, it is characterised in that：One length of the slit is more than the length of the first support Degree.

63. the device as described in any one of claim 54 to 60, it is characterised in that：The second support has 5 to 15 lis One length of rice.

64. the device as described in any one of claim 54 to 60, it is characterised in that：The slit is with 5 to 15 centimetres One length.

65. the device as described in any one of claim 54 to 60, it is characterised in that：One length of the slit is：(a) big In a length of the first support；And (b) less than a length of the length of the first support and the second support One summation.

66. the device as described in any one of claim 54 to 60, it is characterised in that：It is ellipse that described hole is shaped to define one Circular hole.

67. the device as described in claim 66, it is characterised in that：The ellipse hole has a long axis, is oriented and institute The longitudinal axis for stating guiding tube is parallel.

68. the device as described in claim 66, it is characterised in that：It is 5 to 10 millimeters that the ellipse hole, which has length, The short axle that one long axis and length are 0.5 to 1.0 millimeter.

69. device as recited in claim 68, it is characterised in that：The long axis is 1.5 to 4 times longer than the short axle.

70. the device as described in any one of claim 54 to 60, it is characterised in that：The slit limits two slit sides Edge, described two slit edges are parallel to a central longitudinal axis of the guiding tube, an one of described two slits with A distance between the two for described two slit edges is 0.45 to 0.9 millimeter.

71. the device as described in any one of claim 54 to 60, it is characterised in that：The slit limits two slit sides Edge, described two slit edges are parallel to a central longitudinal axis of the guiding tube so that are seen from the distal end of the guiding tube When examining the guiding tube, 10 degree to 80 degree of an angle is formed, the angle is by defined below：

72. the device as described in claim 71, it is characterised in that：The angle is 20 to 70 degree.

73. the device as described in any one of claim 54 to 60, it is characterised in that：One distal end of the second support is arranged Nearside in the proximal end of the slit.

74. the device as described in any one of claim 54 to 60, it is characterised in that：One distal end of the second support is arranged Distal side in the proximal end of the slit.

75. the device as described in any one of claim 54 to 60, it is characterised in that：The first support includes one voluntarily swollen Expanding holder.

76. the device as described in any one of claim 54 to 60, it is characterised in that：The second support includes one voluntarily swollen Expanding holder.

77. a kind of method, it is characterised in that：The method includes：

A kind of device is provided, described device includes：

One first support surrounds the distal part of the guiding tube；And

One second support, in the nearside of the first support, and around a portions of proximal of the guiding tube；One guide line is worn Cross the guiding tube so that after the guide line passes through：

(c) be arranged in described hole due to stating guide line, the first support be constrained to distal motion and more than described Hole；

(d) guide line enters the tube chamber of the guiding tube by the slit；And

(e) since the guide line is arranged in the slit, the first support is constrained to proximal motion and is more than institute State the proximal end of slit.

78. the method as described in claim 77, it is characterised in that：The method further includes：

When the guide line passes through an outer surface of the guiding tube and the first support to be positioned against in the guiding When line, promote described device to the desired locations in an inner cavity of the object；

After the removal, promotes the first support along the guiding tube and leave the distal end of the guiding tube to enter Inner cavity is stated, is unfolded until in desired locations of the first support in the inner cavity of the object；Promote the first support from Behind the distal end for opening the guiding tube, promoted above the guide line along the guiding tube and in the inner cavity of the object The second support；And

After promoting the first support, the second support is promoted to leave the distal end of the guiding tube, and by described second Frame is placed on the side of the first support.

79. a kind of method, it is characterised in that：The method includes：

A kind of device is provided, described device includes：

One guiding tube is shaped to define the guide line bonding part (a), and position is in a distal side of the guiding tube；And (b) one Slit extends from a distal end of the guiding tube along a wall of the guiding tube to nearside, and the one of the slit is proximally located at The distal side of one proximal end of the guiding tube；

One first support surrounds the distal part of the guiding tube；And

(c) since the guide line is arranged in the guide line bonding part, the first support is constrained to distad transport It moves and is more than the guide line bonding part；

(d) guide line enters the tube chamber of the guiding tube by the slit；And

80. the method as described in claim 79, it is characterised in that：The method further includes：

After the removal, the first support is promoted along the guiding tube, and the distal end for leaving the guiding tube enters The inner cavity is unfolded until in desired locations of the first support in the inner cavity of the object；

After promoting the first support to leave the distal end of the guiding tube, along the guiding tube and in the object The second support is promoted in chamber above the guide line；And

After promoting the first support, the second support is promoted to leave the distal end of the guiding tube, and by described second Holder is placed on the side of the first support.

81. a kind of method, it is characterised in that：The method includes：

The first support is unfolded in an inner cavity of the object；

It keeps the guide line in the inner cavity of the object after first support is unfolded, makes the second support described It is advanced into the inner cavity of the object above guide line；And

82. a kind of device being used together with a guide line, it is characterised in that：Described device includes：

One second support in the nearside of the first support, and configures to be advanced in the inner cavity of the object simultaneously position Above the guide line.

83. the device as described in claim 82, it is characterised in that：Described device further includes the guide line.

84. the device as described in claim 83, it is characterised in that：One outer surface of the first support is positioned against in described Guide line, and the second support surrounds the guide line.

85. the device as described in claim 84, it is characterised in that：Described device further includes a third holder, described second It the nearside of holder and is configured to be advanced in the inner cavity of the object above the guide line.

86. the device as described in claim 85, it is characterised in that：Described device further includes one the 4th holder, in the third It the nearside of holder and is configured to be advanced in the inner cavity of the object above the guide line.